530022421 has 2 divisors, whose sum is σ = 530022422. Its totient is φ = 530022420.

The previous prime is 530022403. The next prime is 530022433. The reversal of 530022421 is 124220035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529644196 + 378225 = 23014^2 + 615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530022421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530023421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265011210 + 265011211.

It is an arithmetic number, because the mean of its divisors is an integer number (265011211).

Almost surely, 2^530022421 is an apocalyptic number.

It is an amenable number.

530022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

530022421 is an equidigital number, since it uses as much as digits as its factorization.

530022421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 530022421 is about 23022.2158142955. The cubic root of 530022421 is about 809.2786449817.

Adding to 530022421 its reverse (124220035), we get a palindrome (654242456).

The spelling of 530022421 in words is "five hundred thirty million, twenty-two thousand, four hundred twenty-one".